OpenTechnical

OT-2026-000079545

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000079545) never changes.

Identity and time

Publication numberOT-2026-000079545 · never reused
Internal UUID01a0ae96-0b92-7706-94f7-bcee01d326cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079545
StatusPUBLIC

Content hashes

Canonical textd7f27e373874c3ba0ba0ac89de4e961c920d797810229e686692aac7a4c3c09a
Markdown2878b1f2567596609d33f090944bdc1a60cc611626624c4254b9c9b5431f35f1
PDF
Publication page8f943fc9ff5739c6c0a854c6c33ae5dec1073b35c6b0505a62fc57ffed68ce56
Manifestb31962c813e98adbf3a86a94498d8985cfb8deb1ebcca9307170752014edb85a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturenu2+gjh9jc+dN5QBIr74+TupdXxLybDla7rFcL2hJtoVoUYWMGx0omqun9RTmVM3T5mnT5zrTdazUpLU7UUTAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:11.593488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079545
observed 8f943fc9ff5739c6c0a854c6c33ae5de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:11.576411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079545/manifest.json
observed b31962c813e98adbf3a86a94498d8985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:11.558503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079545/publication.md
observed 2878b1f2567596609d33f090944bdc1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:11.538373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079545/publication.txt
observed d7f27e373874c3ba0ba0ac89de4e961c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.